Average Error: 0 → 0
Time: 350.0ms
Precision: 64
\[x \cdot 2 - y\]
↓
\[x \cdot 2 - y\]
x \cdot 2 - y
↓
x \cdot 2 - y
double f(double x, double y) {
        double r308782 = x;
        double r308783 = 2.0;
        double r308784 = r308782 * r308783;
        double r308785 = y;
        double r308786 = r308784 - r308785;
        return r308786;
}
↓
double f(double x, double y) {
        double r308787 = x;
        double r308788 = 2.0;
        double r308789 = r308787 * r308788;
        double r308790 = y;
        double r308791 = r308789 - r308790;
        return r308791;
}

Error

Bits error versus x

Bits error versus y

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0

    \[x \cdot 2 - y\]

  2. Final simplification0

    \[\leadsto x \cdot 2 - y\]

Reproduce

herbie shell --seed 2020003 
(FPCore (x y)
  :name "Data.Colour.RGBSpace.HSL:hsl from colour-2.3.3, C"
  :precision binary64
  (- (* x 2) y))